📦 Description: 
The Grandstream GXP1628 is a reliable mid‑range IP phone designed for small businesses and branch offices. Supporting 2 lines and 2 SIP accounts, it offers HD audio, dual Gigabit ports, and advanced telephony features. With a backlit LCD display and 8 digitally programmable keys, it ensures efficient communication and secure VoIP integration.

⚙️ Details:

• Product: Mid‑Range IP Phone
• Brand: Grandstream
• Model: GXP1628
• Lines/SIP Accounts: 2 lines / 2 SIP accounts
• Display: 132 × 48 pixel backlit LCD screen
• Keys: 8 digitally programmable BLF/speed dial keys
• Audio: HD audio on handset and speakerphone
• Network: Dual Gigabit Ethernet ports with PoE support
• Conference Calls: 3‑way audio conferencing
• Security: TLS/SRTP encryption, secure provisioning
• Features: BLF (Busy Lamp Field), speed dial, call transfer, call park, XML applications
• Application: Small businesses, branch offices, enterprise VoIP integration